86018563 has 2 divisors, whose sum is σ = 86018564. Its totient is φ = 86018562.

The previous prime is 86018539. The next prime is 86018579. The reversal of 86018563 is 36581068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86018563 - 2⁵ = 86018531 is a prime.

It is not a weakly prime, because it can be changed into another prime (86018503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43009281 + 43009282.

It is an arithmetic number, because the mean of its divisors is an integer number (43009282).

Almost surely, 2^86018563 is an apocalyptic number.

86018563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86018563 is an equidigital number, since it uses as much as digits as its factorization.

86018563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 86018563 is about 9274.6192913779. The cubic root of 86018563 is about 441.4322525541.

The spelling of 86018563 in words is "eighty-six million, eighteen thousand, five hundred sixty-three".